Which of the following statements is NOT correct?单项选择题

A

The larger the Herfindahl index, the greater the degree of market power in an industry.

B

If an industry evolves from monopolistic competition to oligopoly, we would expect the four-firm concentration ratio to increase.

C

One major problem with concentration ratios is that they fail to take into account the localized market for products.

D

An industry producing a homogeneous product whose four-firm concentration ratio is 76 percent is an example of monopolistic competition.

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类似问题

8.    The Herfindahl index is: A.    the sum of the squared percentage market shares of all firms in the industry. B.    the sum of the market shares for the top 10 firms in the industry. C.    a measure of product differentiation in the market. D.    a measure of how easy it is for new firms to enter the market. 

A high Four-Firm Concentration Ratio (CR4), such as 80%, indicates:

Part 1​'The commercial banking industry in Canada is less competitive than the commercial banking industry in the United States because in Canada only a few large banks dominate the​ industry, while in the United States there are around​ 6,500 commercial​ banks.' Is this statement true or​ false? Explain your answer.Part 2 A. True. The reason for the large number of US banks is regulations that promote competition such as branching restrictions B. False. The reason for the large number of US banks is anticompetitive regulations such as branching restrictions C. True. The banking industry is less competitive in Canada than in the United States because Canada has a national banking​ system, i.e., owned and operated by the government D. False. It is not true that the industry is dominated by a few large​ firms; thus, based on the​ Herfindahl-Hirschman Index, the banking industry in Canada is just as competitive as in the United States

Which of the following industries has the highest concentration ratio?

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